Resume_ODBA
Transcript of Resume_ODBA
SIVA RAMAN
Email: [email protected] Mobile: 9940041966
Experience Summary
Having 8 years of experience in Oracle database administration in production and development environment.
Having experience as an Oracle Database Administrator Golden gate & DATAGUARD.
Experience in Configuring and managing backup through RMAN utility.
Experience in cloning the databases using RMAN utility. Installation and maintenance of Oracle goldengate Creation of users, Security Management through privileges, roles,
profiles and auditing of user actions. Experience in configuring and managing ASM Disks. Knowledge on Oracle Database performance-tuning services with
EXPLAIN PLAN ,ADDM & AWR reports Good Experience in Oracle database Installation and Creation. Experience on DATAGUARD with Creation and maintenance of
Physical standby database. Experience in database upgrade / Refresh / Restore Worked in RAC environments, Monitoring its services , taking OCR
and VOTING DISK for backup and recovery Exporting and Importing database backups using EXPDP/IMPDP
utilities Proficient in database and server administration technical features Experienced in server (windows/Unix/Linux) administration. Good knowledge on infrastructure service management procedures
and policies. Good Analytical, Communication and Troubleshooting skills
EDUCATION & CERTIFICATION
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EDUCATIONAL BACKGROUND
Professional Degree : Bachelor of Engineering.
Field of Study : Electronics and Communication
Name of Institution : Vel College of Multimedia, Chennai
Time of Complete : April 2006
CERTIFICATION
Oracle 10g Certified Associate
Red Hat Certified Engineer (RHCE)
IBM Certified Database Associate DB2 9 Fundamentals
ITIL 2011 Foundation Certificate in IT service Management Certificate
Employeement Details
Company DurationHCL Technologies October 2014 to Present
Tata Consultancy services July 2012 To July 2014
NTT data global delivery services July 2007 To July 2012
TECHNICAL EXPERTISE
Primary Skills Oracle Database Administration
Secondary Skill Linux server administration
Operating Systems RHEL (4,5), Solaris, AIX, Cent OS, Windows 2003/2008/XP
Languages SQL
Databases Oracle 10g/11g , IBM DB2 8/9.1, Greenplum database 4.2.5.1
Development Tools Oracle SQL Developer, SQL Plus.
Work Exprerience
HCL Technologies
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October 2014 to Present Client: Novartis Chennai, India
Project Name Life Sciences Hub
Client Novartis
Project Description
Novartis (Headquartered in Basel, Switzerland) is a world leader in the research and development of products to protect and improve health and well-being. The company has core businesses in pharmaceuticals, vaccines, consumer health, generics, eye care and animal health.
Database Oracle 10G/11G database , Dataguard & Golden Gate
Duration From October ‘14 To Present
Role / Responsibility
Providing L3 support for database running at Novartis datacenters in India and Basel. Support for applications OC (Oracle clinical), CA (ClinAdmin) and DiAL..
Providing L3 production support for the LSH application databases with 11G
version. Work on performance related issues during business hours for database / Query
slowness Work on tasks created by development team as a maintenance activity on
databases like deleting the backup table data’s using scripts and gathering stats Work on problem queries by generating an explain plan and awr report Work on creating SQL tuning task for queries having issues Generate ADDM report for every week and analyze the recommendation
provided in report for better database performance Work on database size shrink activity by analyzing the table data’s and its unused
segment by running table shrink activity Work on weekend maintenance activity by shutting down the application and
clearing the job queues in application, Gathering stats on important application schemas.
We have Goldengate running between databases for filtering data’s (Consolidation method with Integrated capture method)
Monitoring the goldengate services and make sure the data’s are in Sync. Replicating the new tables between source and target based on needs. Doing manual sync up activity in case on table/schema going out of sync. Troubleshooting for lag status when its going high (As per SLA 3600 Sec is
threshold) Work on RMAN issues when the database backup fails or changing the RMAN
backup methods based on requirements and activities Troubleshooting issues on database Creating ticket with Oracle (LSH special support) for application and database
issues Work on security related issues (Applying database and application patch,
upgrading the parameter values , TNS listener attacks, Java version EOL, OS patch issues…etc )
Other basics activities like creating users, providing grants , Generating DDL for index,constraints, DB links..etc
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Tata Consultancy Services
July 2012 to July 2014 Client: DTCC Chennai, India
Project Banking and Financial Services
Client The Depository Trust Clearing Corporation – Global Trade Repository
Project Description
DTCC, through its subsidiaries, provides clearing, settlement and information services for equities, corporate and municipal bonds, government and mortgage – backed securities, money marketing instruments and over the counter derivatives. DTCC is a leading processor for mutual funds and insurance transactions, linking funds and carriers with their distribution networks.
Environment V-Block, IBM AIX, Redhat Linux 5.6 64 bit, Web sphere 6.0
Database Oracle 11g with RAC, GreenPlum Database & Golden Gate.
Duration From Jul ‘12 To July 2014
Role / Responsibility
Providing L2 production support to Oracle & greenplum databases running at US, Netherland & Singapore datacenters
Responsibilities
Providing L2 production support to Oracle databases running in AIX and Redhat Linux operating system.
Implemented Golden Gates for Active-Active Replication between the Datacenter for High Availability.
Monitoring and Maintenance of the RAC environment. Maintaining ASM environment for maximum availability of the database. Data transfer through data pump among the database under various platforms. Recovery of datafiles, archivelogs, database using RMAN. Managing the tablespace / datafiles and server filesystem space issues. Troubleshooting the database performance issues such as long running queries
etc... Using Service center tool for ticketing system through which we provide service
support for customers and resolve the issue within the SLA defined. Work on Change management (CR) tickets as per the required changes in prod
databases Creating SR with Oracle Metalink for production database related issues
NTT DATA Global Delivery Services
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September 2010 to July 2012 Client: Honeywell Corp Chennai, India
Project Name Honeywell
Client Honeywell Healthcare
Project Description
Honeywell Building Solutions helps hospitals and other medical facilities identify areas of improvements so they can achieve increased efficiency, comfort, safety and security in their facilities or infrastructure.
Environment Oracle 10g/11g running in Redhat Linux, windows
Duration From September 2009 To July 2012
Role / Responsibility
Providing L3 support for all database running in production, quality & Development
Responsibilities
Installed and configured oracle 9i and 10g, 11g database on Dev/Test/Prod system.
Day to day monitoring like availability of system, listener, database, alert log file, tracefile.
Database refresh of Testing Database from Production using expdp/impdp utility Created users and involved in database security by granting roles, privileges, and
profile to users. Managing and monitoring of physical data guard. Maintaining the physical standby database by applying the archive logs from
production database. Managing ASM like adding diskgroup, recreating a diskgroup and rebalancing. Migrating the Oracle databases to recommended version as per project
requirements. Backup and Recovery through RMAN / User managed backup concepts. Logical Backup using “export and import” is implemented and automated to run
daily using Shell Scripts Ensuring daily backups and validating the backups through periodic restoration Creating SR with Oracle Metalink for production database related issues
April 2009 to September 2010 Client: NTT Data (Corp-IT) Chennai, India
Project Name NTT Data Infrastructure support – Corp IT
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Client NTT Data (IPTS/Certido )
Project Description
The internal application tool developed by NTT data. IPTS (Internal project tracking system) for daily timesheet tracking .Certido is multi-purpose ticketing tool developed internally for support purpose and extensively used by Infrastructure, HR, Finance ,Admin ,Travel & VISA team for their work purpose .
Environment Oracle Database 9i/10g/11g running in Redhat Linux, Solaris, HP-UX,AIX,Cent OS,windows
Duration From July 2007 To September 2009
Role / Responsibility
UNIX Administrator/Oracle DBA
Responsibilities
Administering Oracle databases running in Windows, Solaris, AIX, HP-UX and Redhat Linux.
Installing and patching the Oracle Database software in production and development servers.
Creation of Databases, Table space, and schema Users Monitoring and Managing the Production Database, Sizing DB tablespaces and
datafiles for effective space management and optimal performance. Migrating the Oracle databases to recommended version as per project
requirements. Automated routine database activities using sql scripts and shell scripts Refreshing the development database with production backup dump using
export / import and data pump utility. Backup and Recovery through RMAN / User managed backup concepts.
Logical Backup using “export and import” is implemented and automated to run daily using Shell Scripts
Ensuring daily backups and validating the backups through periodic restoration Implemented Physical Standby in 11g database for DR setup using RMAN.
Implemented Oracle 11g data guard in Production server. Maintaining the physical standby database by applying the archive logs from
production database. Hardening Oracle Databases to adhere to standard security policies. Managing the production and development database server file system space
issues. Creating SR with Oracle Metalink for production database related issues.
Unix Administration.
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Hands on Experience in Installation and Configuration of Various Linux Flavors
Basic Troubleshooting knowledge in Linux.
Installing and Configuring NFS, FTP and SAMBA Server.
User Management
Knowledge on Configuration of sudoer’s and LVM.
Has done the installation and up gradation of software’s like Apache, Jboss and Java
on Linux servers
PERSONAL PARTICULARS
Name : G. Sivaraman
Date of Birth : 18-Oct-1984
Gender : Male
Marital Status : Married
Nationality : Indian
Passport Number : G 1941896
Permanent Residence : No 23, VP colony Extn,
Ayanavaram, Chennai – 600023
I hereby declare that all the information provided above is true to the best of my knowledge.
Place: SignatureDate:
(G. Sivaraman)
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